source: tmcsimulator-scriptbuilder/trunk/src/scriptbuilder/gui/panels/TimeStampPanel.java @ 54

package scriptbuilder.gui.panels;



import java.awt.Dimension;

import java.awt.Graphics;

import java.awt.Graphics2D;

import javax.swing.JPanel;

import scriptbuilder.gui.ScriptBuilderGuiConstants;

import scriptbuilder.structures.ScriptIncident;

import scriptbuilder.structures.SimulationScript;



/**

 * Represents the timestamp bar at the top of the GUI timeline. Displays

 * timestamps at significant intervals. Updates based on zoom level and scroll

 * position.

 *

 * @author Greg Eddington

 * @author Bryan McGuffin

 */

public class TimeStampPanel extends JPanel

{



    private int longestLength = ScriptBuilderGuiConstants.TICK_TIMELINE_SMALLEST_LENGTH;



    /**

     * Just refresh the panel.

     *

     * @param zoom UNUSED

     */

    public void setZoom(float zoom)

    {

        repaint();

    }



    /**

     * Constructor.

     */

    public TimeStampPanel()

    {

        super();

    }



    /**

     * Update the length interval and the dimensions of the panel. NOTE: This

     * method implementation is an exact duplication of the update method in

     * panels.TimelineTickPanel. I'm not sure if it actually accomplishes

     * anything here.

     *

     * @param script The simulation script model

     */

    public void update(SimulationScript script)

    {

        longestLength = ScriptBuilderGuiConstants.TICK_TIMELINE_SMALLEST_LENGTH;



        // Get the stats on the incidents

        int height = ScriptBuilderGuiConstants.TICK_TOP_MARGIN * 4;

        for (ScriptIncident incident : script.incidents)

        {

            if (incident != null)

            {

                height += incident.collapsed

                        ? ScriptBuilderGuiConstants.TIMELINE_OPENED_HEIGHT

                        : ScriptBuilderGuiConstants.TIMELINE_OPENED_HEIGHT;

                if ((incident.length + incident.offset) > longestLength)

                {

                    longestLength = incident.length + incident.offset;

                }

            }

        }

        for (ScriptIncident i : script.incidents)

        {

            if (i != null && i.number == 100)

            {

                i.length = longestLength;

                i.offset = 0;

            }



        }



        Dimension newSize = new Dimension(longestLength

                / ScriptBuilderGuiConstants.HORIZONTAL_TICK_RESOLUTION

                * ScriptBuilderGuiConstants.PIXEL_WIDTH_PER_HORIZONTAL_TICK

                + ScriptBuilderGuiConstants.TICK_TIMELINE_LEFT_MARGIN + 50,

                height);

        this.setPreferredSize(newSize);

        this.setSize(newSize);



        this.invalidate();

    }



    /**

     * Update the length interval and the dimensions of the panel. NOTE: This

     * method implementation is an exact duplication of the update method in

     * panels.TimelineTickPanel. I'm not sure if it actually accomplishes

     * anything here.

     *

     * @param script The simulation script model

     */

    public void update(ScriptIncident incident)

    {

        longestLength = ScriptBuilderGuiConstants.TICK_TIMELINE_SMALLEST_LENGTH;



        // Get the stats on the incidents

        int height = ScriptBuilderGuiConstants.TICK_TOP_MARGIN * 4;

        if (incident != null)

        {

            height += incident.collapsed

                    ? ScriptBuilderGuiConstants.TIMELINE_OPENED_HEIGHT

                    : ScriptBuilderGuiConstants.TIMELINE_OPENED_HEIGHT;

            if ((incident.length + incident.offset) > longestLength)

            {

                longestLength = incident.length + incident.offset;

            }

        }



        if (incident != null && incident.number == 100)

        {

            incident.length = longestLength;

            incident.offset = 0;

        }



        Dimension newSize = new Dimension(longestLength

                / ScriptBuilderGuiConstants.HORIZONTAL_TICK_RESOLUTION

                * ScriptBuilderGuiConstants.PIXEL_WIDTH_PER_HORIZONTAL_TICK

                + ScriptBuilderGuiConstants.TICK_TIMELINE_LEFT_MARGIN + 50,

                height);

        this.setPreferredSize(newSize);

        this.setSize(newSize);



        this.invalidate();

    }



    /**

     * Refresh the panel. Draw the timestamps for the appropriate intervals

     * based on zoom level.

     *

     * @param g The graphics component

     */

    @Override

    public void paint(Graphics g)

    {

        super.paint(g);



        Graphics2D g2d = (Graphics2D) g;

        g2d.setFont(ScriptBuilderGuiConstants.TIMELINE_TICK_TIME_FONT);

        g2d.setColor(ScriptBuilderGuiConstants.TIMELINE_TICK_COLOR);

        int longestLengthPlusMargin = longestLength

                / ScriptBuilderGuiConstants.HORIZONTAL_TICK_RESOLUTION

                * ScriptBuilderGuiConstants.PIXEL_WIDTH_PER_HORIZONTAL_TICK

                + ScriptBuilderGuiConstants.TICK_TIMELINE_LEFT_MARGIN;

        int seconds = 0;



        // Major Ticks

        g2d.setColor(ScriptBuilderGuiConstants.TIMELINE_TICK_COLOR);

        seconds = 0;

        for (int i = ScriptBuilderGuiConstants.TICK_TIMELINE_LEFT_MARGIN;

                i <= longestLengthPlusMargin;

                i += ScriptBuilderGuiConstants.PIXEL_WIDTH_PER_HORIZONTAL_TICK

                * ScriptBuilderGuiConstants.TICKS_PER_MAJOR_TICK, seconds += ScriptBuilderGuiConstants.HORIZONTAL_TICK_RESOLUTION

                * ScriptBuilderGuiConstants.TICKS_PER_MAJOR_TICK)

        {

            g2d.drawString(seconds / 3600 + ":"

                    + (seconds / 60 % 60 > 9 ? seconds / 60 % 60

                    : "0" + seconds / 60 % 60)

                    + ":00", i - 25, 18);

        }

    }

}